From: iancoleman <1281387+iancoleman@users.noreply.github.com>
Date: Sun, 10 Nov 2019 22:36:14 +0000 (+1100)
Subject: Merge pull request #357 from PavlosTze/enable-segwit
X-Git-Url: https://git.immae.eu/?a=commitdiff_plain;h=de5fe245ccc5b333efcf772d19d8965ffeb47272;hp=3e2af09e07b97ed333ff74aa462cf6bbc92fd1fa;p=perso%2FImmae%2FProjets%2FCryptomonnaies%2FBIP39.git

Merge pull request #357 from PavlosTze/enable-segwit

Enable segwit for MONKEY, BCA, BTX, MONA, SYS, VIA, DOGEt, LTCt
---

diff --git a/src/css/app.css b/src/css/app.css
index 576b7d7..c2a0294 100644
--- a/src/css/app.css
+++ b/src/css/app.css
@@ -31,6 +31,10 @@ body {
 .phrase {
     word-break: keep-all;
 }
+.phraseSplitWarn {
+	text-align: right;
+	color: red;
+}
 .generate-container .strength {
     /* override mobile width from bootstrap */
     width: auto!important;
diff --git a/src/index.html b/src/index.html
index 95fccc1..bfb2bc1 100644
--- a/src/index.html
+++ b/src/index.html
@@ -172,6 +172,13 @@
                                 <textarea id="phrase" class="phrase private-data form-control" data-show-qr autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"></textarea>
                             </div>
                         </div>
+                        <div class="form-group">
+                            <label for="phrase" class="col-sm-2 control-label">BIP39 Split Mnemonic</label>
+                            <div class="col-sm-10">
+                                <textarea id="phraseSplit" class="phraseSplit private-data form-control" title="Only 2 of 3 cards needed to recover."></textarea>
+                            </div>
+							<div id="phraseSplitWarn" class="phraseSplitWarn"></div>
+                        </div>
                         <div class="form-group">
                             <label for="passphrase" class="col-sm-2 control-label">BIP39 Passphrase (optional)</label>
                             <div class="col-sm-10">
diff --git a/src/js/index.js b/src/js/index.js
index f3302a6..dc10d59 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -44,6 +44,8 @@
     DOM.entropyWeakEntropyOverrideWarning = DOM.entropyContainer.find(".weak-entropy-override-warning");
     DOM.entropyFilterWarning = DOM.entropyContainer.find(".filter-warning");
     DOM.phrase = $(".phrase");
+	DOM.splitPhrase = $(".phraseSplit");
+	DOM.phraseSplitWarn = $(".phraseSplitWarn");
     DOM.passphrase = $(".passphrase");
     DOM.generateContainer = $(".generate-container");
     DOM.generate = $(".generate");
@@ -232,7 +234,14 @@
         if (phraseChangeTimeoutEvent != null) {
             clearTimeout(phraseChangeTimeoutEvent);
         }
-        phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400);
+        phraseChangeTimeoutEvent = setTimeout(function() {
+            phraseChanged();
+            var entropy = mnemonic.toRawEntropyHex(DOM.phrase.val());
+            if (entropy !== null) {
+                DOM.entropyMnemonicLength.val("raw");
+                DOM.entropy.val(entropy);
+            }
+        }, 400);
     }
 
     function phraseChanged() {
@@ -297,6 +306,7 @@
             clearDisplay();
             clearEntropyFeedback();
             DOM.phrase.val("");
+			DOM.phraseSplit.val("");
             showValidationError("Blank entropy");
             return;
         }
@@ -331,6 +341,7 @@
         showPending();
         // Clear existing mnemonic and passphrase
         DOM.phrase.val("");
+		DOM.phraseSplit.val("");
         DOM.passphrase.val("");
         seed = null;
         if (rootKeyChangedTimeoutEvent != null) {
@@ -417,6 +428,7 @@
             if (DOM.phrase.val().length > 0) {
                 var newPhrase = convertPhraseToNewLanguage();
                 DOM.phrase.val(newPhrase);
+				writeSplitPhrase(newPhrase);
                 phraseChanged();
             }
             else {
@@ -477,6 +489,7 @@
         // show the words
         var words = mnemonic.toMnemonic(data);
         DOM.phrase.val(words);
+		writeSplitPhrase(words);
         // show the entropy
         var entropyHex = uint8ArrayToHex(data);
         DOM.entropy.val(entropyHex);
@@ -1010,6 +1023,7 @@
                 // Ethereum values are different
                 if ((networks[DOM.network.val()].name == "ETH - Ethereum")
                     || (networks[DOM.network.val()].name == "ETC - Ethereum Classic")
+                    || (networks[DOM.network.val()].name == "EWT - EnergyWeb")
                     || (networks[DOM.network.val()].name == "PIRL - Pirl")
                     || (networks[DOM.network.val()].name == "MIX - MIX")
                     || (networks[DOM.network.val()].name == "MUSIC - Musicoin")
@@ -1415,6 +1429,40 @@
         }
         return phrase;
     }
+	
+	function writeSplitPhrase(phrase) {
+		var wordCount = phrase.split(/\s/g).length;								//get number of words in phrase       
+		var left=[];															//initialize array of indexs
+		for (var i=0;i<wordCount;i++) left.push(i);								//add all indexs to array
+		var group=[[],[],[]],													//make array for 3 groups
+			groupI=-1;															//initialize group index
+		var seed = Math.abs(sjcl.hash.sha256.hash(phrase)[0])% 2147483647;		//start seed at sudo random value based on hash of words
+		while (left.length>0) {													//while indexs left
+			groupI=(groupI+1)%3;												//get next group to insert index into
+			seed = seed * 16807 % 2147483647;									//change random value.(simple predicatable random number generator works well for this use)
+			var selected=Math.floor(left.length*(seed - 1) / 2147483646);		//get index in left we will use for this group
+			group[groupI].push(left[selected]);									//add index to group
+			left.splice(selected,1);											//remove selected index
+		}
+		var cards=[phrase.split(/\s/g),phrase.split(/\s/g),phrase.split(/\s/g)];//make array of cards
+		for (var i=0;i<3;i++) {													//go through each card
+			for (var ii=0;ii<wordCount/3;ii++) cards[i][group[i][ii]]='XXXX';	//erase words listed in the group
+			cards[i]='Card '+(i+1)+': '+wordArrayToPhrase(cards[i]);								//combine words on card back to string
+		}
+		DOM.splitPhrase.val(cards.join("\r\n"));								//make words visible
+		var triesPerSecond=10000000000;											//assumed number of tries per second
+		var hackTime=Math.pow(2,wordCount*10/3)/triesPerSecond;					//get number of bits of unknown data per card
+		if (hackTime<1) {
+			hackTime="<1 second";
+		} else if (hackTime<86400) {
+			hackTime=Math.floor(hackTime)+" seconds";
+		} else if(hackTime<31557600) {
+			hackTime=Math.floor(hackTime/86400)+" days";
+		} else {
+			hackTime=Math.floor(hackTime/31557600)+" years";
+		}
+		DOM.phraseSplitWarn.html("Time to hack with only one card: "+hackTime);
+	}
 
     function isUsingOwnEntropy() {
         return DOM.useEntropy.prop("checked");
@@ -1473,6 +1521,7 @@
         var phrase = mnemonic.toMnemonic(entropyArr);
         // Set the mnemonic in the UI
         DOM.phrase.val(phrase);
+		writeSplitPhrase(phrase);
         // Show the word indexes
         showWordIndexes();
         // Show the checksum
@@ -2213,7 +2262,14 @@
                 network = bitcoinjs.bitcoin.networks.bitcoin;
                 setHdCoin(60);
             },
-        },
+          },
+        {
+            name: "EWT - EnergyWeb",
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.bitcoin;
+                setHdCoin(246);
+            },
+          },
         {
             name: "EXCL - Exclusivecoin",
             onSelect: function() {
diff --git a/src/js/jsbip39.js b/src/js/jsbip39.js
index 3230e3b..9a6e7ec 100644
--- a/src/js/jsbip39.js
+++ b/src/js/jsbip39.js
@@ -97,22 +97,10 @@ var Mnemonic = function(language) {
     }
 
     self.check = function(mnemonic) {
-        var mnemonic = self.splitWords(mnemonic);
-        if (mnemonic.length == 0 || mnemonic.length % 3 > 0) {
-            return false
-        }
-        // idx = map(lambda x: bin(self.wordlist.index(x))[2:].zfill(11), mnemonic)
-        var idx = [];
-        for (var i=0; i<mnemonic.length; i++) {
-            var word = mnemonic[i];
-            var wordIndex = wordlist.indexOf(word);
-            if (wordIndex == -1) {
-                return false;
-            }
-            var binaryIndex = zfill(wordIndex.toString(2), 11);
-            idx.push(binaryIndex);
+        var b = mnemonicToBinaryString(mnemonic);
+        if (b === null) {
+            return false;
         }
-        var b = idx.join('');
         var l = b.length;
         //d = b[:l / 33 * 32]
         //h = b[-l / 33:]
@@ -128,6 +116,20 @@ var Mnemonic = function(language) {
         return h == nh;
     }
 
+    self.toRawEntropyHex = function(mnemonic) {
+        var b = mnemonicToBinaryString(mnemonic);
+        if (b === null)
+            return null;
+        var d = b.substring(0, b.length / 33 * 32);
+        var nd = binaryStringToWordArray(d);
+
+        var h = "";
+        for (var i=0; i<nd.length; i++) {
+            h += ('0000000' + nd[i].toString(16)).slice(-8);
+        }
+        return h;
+    }
+
     self.toSeed = function(mnemonic, passphrase) {
         passphrase = passphrase || '';
         mnemonic = self.joinWords(self.splitWords(mnemonic)); // removes duplicate blanks
@@ -200,6 +202,25 @@ var Mnemonic = function(language) {
         return a;
     }
 
+    function mnemonicToBinaryString(mnemonic) {
+        var mnemonic = self.splitWords(mnemonic);
+        if (mnemonic.length == 0 || mnemonic.length % 3 > 0) {
+            return null;
+        }
+        // idx = map(lambda x: bin(self.wordlist.index(x))[2:].zfill(11), mnemonic)
+        var idx = [];
+        for (var i=0; i<mnemonic.length; i++) {
+            var word = mnemonic[i];
+            var wordIndex = wordlist.indexOf(word);
+            if (wordIndex == -1) {
+                return null;
+            }
+            var binaryIndex = zfill(wordIndex.toString(2), 11);
+            idx.push(binaryIndex);
+        }
+        return idx.join('');
+    }
+
     // Pad a numeric string on the left with zero digits until the given width
     // is reached.
     // Note this differs to the python implementation because it does not